The Sky over the Mornington Peninsula — September 2081
Highlights this month
- 5FriThe Moon passes Mercury — 0.9° apart. (3:56pm)
- 13SatMercury is stationary — begins retrograde (westward) motion. (11:30am)
- 15MonJupiter at opposition — closest and brightest of the year, up all night in Pisces (mag −2.8). (1:13pm)
- 15MonThe Moon passes Saturn — 0.7° apart. (4:51pm)
- 18ThuThe Moon passes Jupiter — 2° apart. (6:41am)
- 22MonSpring equinox.
- 26FriMercury in inferior conjunction with the Sun — lost in the glare. (6:31pm)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Mon 1 | 6:41am | 5:59pm | 11h 17m | 7:26pm | 5:14am |
| Wed 10 | 6:28am | 6:06pm | 11h 39m | 7:34pm | 5:00am |
| Sat 20 | 6:12am | 6:15pm | 12h 03m | 7:43pm | 4:44am |
| Tue 30 | 5:56am | 6:24pm | 12h 27m | 7:53pm | 4:27am |
Days lengthen by about 70 minutes over the month.
The Moon
- New MoonWed 3, 7:05pm
- First QuarterWed 10, 12:17pm
- Full MoonThu 18, 1:50pm
- Last QuarterFri 26, 11:38am
Perigee 4 Sep (356,700 km) · Apogee 17 Sep (406,200 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Vir | 1.1 | 6:51am | 1:20pm | 7:50pm | Hidden |
| Venus | Leo | −3.7 | 5:25am | 10:47am | 4:10pm | Hidden |
| Mars | Leo | 1.8 | 6:00am | 11:37am | 5:14pm | Hidden |
| Jupiter | Psc | −2.8 | 6:00pm | 12:20am | 6:35am | All night |
| Saturn | Cap | 0.3 | 3:26pm | 10:18pm | 5:15am | Evening |
| Uranus | Cap | 5.7 | 2:08pm | 9:14pm | 4:25am | Evening |
| Neptune | Cnc | 7.9 | 4:16am | 9:18am | 2:20pm | Morning |
The solar system — September 2081
Evening sky Morning sky Up much of the night Lost in the Sun’s glare
Open the full interactive orrery ↗ — fast-forward, pick any date, toggle the Moon and more.
Looking for an earlier month? Browse all past monthly guides →
Generated automatically from the MPAS sky engine on 25 August 2026.